i knew him on july 7th when i went to libya to observe the elections, and at that time on july 7th he expressed to me his deep and grave concerns about security, particularly in benghazi. and he continued to communicate with the state department, and i don't know who else was privy to those cables of his deep concern about the security there and the need for additional assistance. and i will argue with facts, that after that event took place, after the fall of gadhafi the quote soft footprint was partially to some degree responsible for the tragedy that took place. the american people, and the families of these four brave americans still have not go got gotten the answers that they deserve. i hope that they will get them. >> well, senator i understand your very, very strong feelings, you knew chris, you were a friend of chris, you were one ever the staunchest supporters of the efforts to dislodge gadhafi and try to give the libyan people a chance, and we just have a disagreement. we have a disagreement about what did happen, and when it happened with respect to explaining the sequence